CN105170730A - Limiting device for bending round pipe multiple times - Google Patents
Limiting device for bending round pipe multiple times Download PDFInfo
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- CN105170730A CN105170730A CN201510231180.9A CN201510231180A CN105170730A CN 105170730 A CN105170730 A CN 105170730A CN 201510231180 A CN201510231180 A CN 201510231180A CN 105170730 A CN105170730 A CN 105170730A
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Abstract
The invention discloses a limiting device for bending a round pipe multiple times. The limiting device comprises a fixed workbench and a rotatable rotary workbench. The round pipe is positioned on the fixed workbench. When the rotary workbench rotates along the plane, the round pipe is bent in the rotary direction. The fixed workbench is provided with a positioning table for positioning the round pipe. The head end of the positioning table is provided with an L-shaped positioning strip. One or more movable positioning pieces for secondary positioning are hinged to the middle of the positioning table. The round pipe is bent on one device twice, so that cost is reduced.
Description
Technical field
The present invention relates to a kind of stopping means of repeatedly bending pipe.
Background technology
Round steel pipe is a kind of conventional shaped steel, be widely used in every field, relatively common are building field and industrial circle, also there is a lot of family product also can be used as the skeleton of tables and chairs by round steel pipe simultaneously, strength problem or form fit problem is considered when reality uses, this kind of steel pipe all will carry out bending process, and a lot of steel pipe is all not only confined to a bending, same steel pipe carries out secondary bending according to actual needs possibly, for this type of technique, more exchange device is many times all needed to carry out secondary bending, this adds a dead lift cost and equipment cost undoubtedly.
Summary of the invention
The technical issues that need to address of the present invention are, provide a kind of stopping means of repeatedly bending pipe, an equipment realize, to the secondary bending of pipe, reduce costs.
Technical scheme of the present invention is: a kind of stopping means of repeatedly bending pipe, comprise stationary work-table and rotating rotary work-table, pipe is positioned on stationary work-table, pipe in rotational direction bends along during Plane Rotation by rotary work-table, described stationary work-table is provided with the effective positioning table of setting circle, the head end of positioning table is provided with L shape positioning strip, is hinged with the activity orientation sheet of more than at least a slice for secondary location in the middle of described positioning table.
Preferably, described rotary work-table is provided with supporting plate below pipe, the thickness of supporting plate and positioning table consistency of thickness.
Preferably, described positioning table and stationary work-table are demountable structure, and stationary work-table is provided with more than 2 groups mounting hole site of fixing with positioning table along pipe length direction.
Preferably, described activity orientation sheet is also L shape structure.
After adopting the technical program, utilize the activity orientation sheet of card turning-over type well to solve and utilize an equipment to realize the effect of repeatedly bending, first during bending, align with L shape positioning strip in the front end of pipe, after completing first time bending, turn on activity orientation sheet, is alignd with activity orientation sheet in pipe front end after first time bending, secondary bending can be carried out, if arrange multiple activity orientation sheet, repeatedly bending can be carried out, limit device structure is very simple, but the effect highly significant realized, make operative employee on same equipment, just can complete the technique same steel pipe being realized to repeatedly bending, eliminate the landed cost and equipment cost that are transported to another equipment.
Accompanying drawing explanation
Accompanying drawing 1 is placed on the schematic diagram on apparatus for bending for pipe;
Accompanying drawing 2 be apparatus for bending by after bending circular pipe intention;
Accompanying drawing 3 is schematic diagram after the pipe in accompanying drawing 2 is located by secondary;
Accompanying drawing 4 is the enlarged diagram in the dotted line circle in accompanying drawing 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
As shown in Figures 1 to 4, a kind of stopping means of repeatedly bending pipe, comprise stationary work-table 1 and rotating rotary work-table 2, the rotation round platform 3 freely rotated is provided with in the middle of stationary work-table and rotary work-table, in the present embodiment, rotary work-table rotates to rotate centered by round platform, pipe 4 one end is positioned on stationary work-table, the other end is fixed on rotary work-table, rotate round platform sidewall and be provided with circular arc concave surface 31, the outer wall of pipe is also arc surface, arc surface is just contained in circular arc concave surface, pipe is when actual location, pipe mid portion is fitted in the circular arc concave surface of rotation round platform sidewall, rotary work-table is along Plane Rotation, if rotary work-table in Fig. 2 is along rotating clockwise certain angle, the right-hand member of pipe is that bending point is in rotational direction bent by rotary work-table along rotating round platform sidewall, pipe corresponding rotation is driven when utilizing rotary work-table to rotate, bending point is the rotation round platform of rotary work-table and stationary work-table centre, rotating round platform is freely rotate, in bending circular pipe process, rotate round platform and follow pipe rotation, relative to utilizing the direct bending of impulse force, the more flexibility of this revolving bending method, less to the damage of pipe self, bending point is circular arc in addition, rotary work-table planar arc is coordinated to rotate, the i.e. interior curved and excurvation form fit of bending circular pipe, and rotary work-table routinely applies pressure to pipe, in conjunction with this 2 point, effectively can reduce the rebound phenomenon after bending, ensure its bending precision.In order to ensure the accurate positioning of pipe, ensure that the bending point of every root pipe is relatively uniform, this programme devises the positioner for locating pipe lateral attitude on stationary work-table, positioner comprises the positioning table 6 be fixed on steady job deck plate, positioning table is positioned at the below of pipe, the head end of positioning table is provided with L shape positioning strip 61, the anterior end of pipe is just alignd with L shape positioning strip, ensure that every root bending circular pipe point is relatively uniform, and this location structure is very simple, in addition, as preferably, in order to ensure the flatness of pipe, described rotary work-table is provided with supporting plate 63 below pipe, the thickness of supporting plate and positioning table consistency of thickness.When actual bending, a lot of pipe is not only confined to a bending, a lot of pipe can carry out repeatedly bending for the shape need of product, Given this, this programme improves on the positioning device, namely the activity orientation sheet 62 of more than at least a slice for secondary location is hinged with in the middle of described positioning table, activity orientation sheet can stir up and down, when pipe bending first, activity orientation sheet is in and does not upwards turn over state, when the bending of needs secondary, activity orientation sheet upwards stirs, the pipe left end of secondary bending is needed to align with activity orientation sheet, the position of activity orientation sheet can be carried out dismounting and be regulated, preferably, described activity orientation sheet is also L shape structure, L shape structure is not only to the end limited location of pipe, to the sidewall also limited location effect of end.
Described positioning table and stationary work-table are demountable structure, stationary work-table is provided with more than 2 groups mounting hole site of fixing with positioning table along pipe length direction, different mounting hole site can allow the L shape positioning strip on positioning table and the lateral separation of rotating between round platform change, namely the distance of bending point and pipe end can change, because the position of its bending point of different products is different, utilize dismountable structure can well solve this kind of problem.
In the present embodiment, stationary work-table and rotary work-table have respective clamping device for clamping pipe, prevent from loosening, described stationary work-table is provided with the first clamping device 11 of clamping pipe fore-end, first clamping device comprises the first chuck 110 and drives the drive unit 52 of the first chuck, pipe is sandwiched in the first chuck and rotates between round platform, namely the first chuck is rotating the opposite of round platform, drive unit drive the first chuck near or away from rotation round platform, drive unit can be pneumatic means or hydraulic-driven.In like manner, described rotary work-table is provided with the second clamping device 21 of clamping pipe rear end part, second clamping device comprises the second chuck 210 and drives the drive unit 52 of the second chuck, as preferably, the length of the first chuck is longer, and the length of the second chuck is relatively short, because the first chuck keeps fit-state with pipe all the time in Forging Process, and the second chuck after bending because buckling problem, only some and pipe keep fitting, so do not need very long in length.As preferably, the clamping area that the first described chuck, the second chuck contact with pipe is provided with the circular arc concave surface of pipe of fitting, and in conjunction with the circular arc concave surface rotating round platform, locating effect is better.In the present embodiment the first chuck and the second chuck clamping device with the mode of skid realize near or away from pipe, specifically for the second clamping device, as shown in Figure 3, rotary work-table is fixed with slide unit 53, slide unit is provided with longitudinal slide rail, slide in slide rail and have slide plate 54, the second chuck described in slide plate one end connects, the slide plate other end drives by drive unit.
In addition, when rotary work-table rotates, pipe right-hand member can be driven to rotate, when actual bending, pipe can because of dividing to pulling force effect of being turned right, pipe can produce the trend of turning right and being pulled, and the left end portion of pipe is clamped by the first chuck and rotation round platform, if this pulling force is greater than the frictional force between pipe and the first chuck, then pipe can be pulled a bit of distance, now the surface of pipe can be pulled, affect intensity, and the wearing and tearing of the first chuck can be aggravated, in order to avoid the generation of this kind of situation, in the present embodiment, the first chuck is improved, the first described clamping device is provided with transverse slipway 111 along pipe length direction, transverse slipway is preferably dovetail chute, the first described chuck slides in transverse slipway, when rotary work-table rotates, first chuck and pipe still keep geo-stationary, but there is relative sliding between the first chuck and the first clamping device, namely the first chuck can be turned right and is free to slide a segment distance, when rotary work-table gets back to origin-location counterclockwise, second chuck can clash into the first chuck makes it slide into home position left, specifically can see Fig. 2 and Fig. 3, the first chuck in Fig. 2 is the position of sliding to the right after a segment distance, the first chuck in Fig. 3 gets back to home position after being clashed into by the second chuck, in order to ensure that the first chuck unduly moves to left after being knocked, first chuck is provided with spacing block set 1101 at right-hand member, namely overlook and see, first chuck is L-shaped, toward moving left after the first chuck is clashed into by the second chuck, until spacing block set is just fitted with its right end face of transverse slipway.
In addition, as clamping device, in order to adapt to the pipe of different-diameter, each clamping device self is provided with micromatic setting, for the tight ness rating regulating the first chuck or the second chuck and pipe to fit, micromatic setting comprises screw rod 50 and regulating block 51, regulating block is fixed on the slide plate of the first clamping device or the second clamping device, screw rod one end and the first chuck or the second chuck is vertical is connected, the other end is threaded with regulating block, and rotating screw bolt can regulate the first chuck or the original fore-and-aft distance between the second chuck and rotation round platform.
Simultaneously, because the diameter of pipe has a lot of specification on the market, in order to the pipe making this programme can be applicable to more specifications, the circular arc concave surface rotated on round platform will make conversion according to pipe diameter, so the circular arc concave surface rotating round platform is preferably removable, for this reason, rotation round platform in this programme is designed to detachable, described rotation round platform comprises circular base station 30, circular base station axle center is coaxially provided with dismountable rotating disk 32, described circular arc concave surface is located at the sidewall of rotating disk, during dismounting, only the rotating disk at circular base station top need be changed, circular base station keeps static and does not adjust, in like manner the first chuck be also dismountable structure between the second chuck and corresponding clamping device.
Below only just the present invention preferably example be described, but can not be interpreted as it is limitations on claims.The present invention not only limits to and above example, and its concrete structure allows to change, and those skilled in the art can make various change and distortion according to the present invention, only otherwise depart from spirit of the present invention, all should belong to the scope that claims of the present invention define.
Claims (4)
1. the stopping means of a repeatedly bending pipe, it is characterized in that: comprise stationary work-table (1) and rotating rotary work-table (2), pipe is positioned on stationary work-table, pipe in rotational direction bends along during Plane Rotation by rotary work-table, described stationary work-table is provided with the effective positioning table of setting circle (6), the head end of positioning table is provided with L shape positioning strip (61), is hinged with the activity orientation sheet (62) of more than at least a slice for secondary location in the middle of described positioning table.
2. the stopping means of a kind of repeatedly bending pipe according to claim 1, is characterized in that: described rotary work-table is provided with supporting plate (63) below pipe, the thickness of supporting plate and positioning table consistency of thickness.
3. the stopping means of a kind of repeatedly bending pipe according to claim 1, it is characterized in that: described positioning table and stationary work-table are demountable structure, stationary work-table is provided with more than 2 groups mounting hole site of fixing with positioning table along pipe length direction.
4. the stopping means of a kind of repeatedly bending pipe according to claim 1, is characterized in that: described activity orientation sheet is also L shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510231180.9A CN105170730B (en) | 2015-05-07 | 2015-05-07 | A kind of stopping means of multiple bending pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510231180.9A CN105170730B (en) | 2015-05-07 | 2015-05-07 | A kind of stopping means of multiple bending pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105170730A true CN105170730A (en) | 2015-12-23 |
| CN105170730B CN105170730B (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510231180.9A Active CN105170730B (en) | 2015-05-07 | 2015-05-07 | A kind of stopping means of multiple bending pipe |
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| CN (1) | CN105170730B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711810A (en) * | 2019-11-28 | 2020-01-21 | 郑州康德泰口腔医疗科技有限公司 | Dental instrument secondary mechanism of bending |
| CN111659779A (en) * | 2020-06-04 | 2020-09-15 | 上海诺玛液压系统有限公司 | Jet pipe servo valve thin-wall small pipe bending tool |
| CN114310346A (en) * | 2022-03-11 | 2022-04-12 | 新乡职业技术学院 | Full-automatic pipe bending machine |
| CN117259518A (en) * | 2023-11-21 | 2023-12-22 | 成都源流立创科技有限公司 | Pipe bending device and method for precisely controlling pipe bending angle |
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| JPH11314118A (en) * | 1998-04-30 | 1999-11-16 | Press Kogyo Co Ltd | Pipe bending machine |
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| CN102397927A (en) * | 2011-10-31 | 2012-04-04 | 浙江摩多巴克斯汽配有限公司 | Elbow pipe device of EGR (exhaust gas recirculation) pipe fitting and forming technique thereof |
| CN103143598A (en) * | 2013-04-08 | 2013-06-12 | 江阴中南重工股份有限公司 | Elbow pushing device capable of pushing elbow |
| CN103691779A (en) * | 2013-12-19 | 2014-04-02 | 宁波千普机械制造有限公司 | Multi-angle hydraulic pipe bender |
| CN103817186A (en) * | 2014-03-21 | 2014-05-28 | 官伟齐 | Double-cart type pipe-bending machine and bending method |
| CN204974857U (en) * | 2015-05-07 | 2016-01-20 | 浙江利帆家具有限公司 | Stop device that pipe of many times bending was used |
-
2015
- 2015-05-07 CN CN201510231180.9A patent/CN105170730B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11314118A (en) * | 1998-04-30 | 1999-11-16 | Press Kogyo Co Ltd | Pipe bending machine |
| CN201423531Y (en) * | 2009-06-23 | 2010-03-17 | 孔凡举 | improved bending machine |
| CN201493358U (en) * | 2009-09-07 | 2010-06-02 | 常州腾飞不锈钢有限公司 | Intelligent stainless automatic pipe bending machine |
| CN202015762U (en) * | 2010-03-05 | 2011-10-26 | 大金工业株式会社 | Bending machine |
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| CN102397927A (en) * | 2011-10-31 | 2012-04-04 | 浙江摩多巴克斯汽配有限公司 | Elbow pipe device of EGR (exhaust gas recirculation) pipe fitting and forming technique thereof |
| CN103143598A (en) * | 2013-04-08 | 2013-06-12 | 江阴中南重工股份有限公司 | Elbow pushing device capable of pushing elbow |
| CN103691779A (en) * | 2013-12-19 | 2014-04-02 | 宁波千普机械制造有限公司 | Multi-angle hydraulic pipe bender |
| CN103817186A (en) * | 2014-03-21 | 2014-05-28 | 官伟齐 | Double-cart type pipe-bending machine and bending method |
| CN204974857U (en) * | 2015-05-07 | 2016-01-20 | 浙江利帆家具有限公司 | Stop device that pipe of many times bending was used |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110711810A (en) * | 2019-11-28 | 2020-01-21 | 郑州康德泰口腔医疗科技有限公司 | Dental instrument secondary mechanism of bending |
| CN111659779A (en) * | 2020-06-04 | 2020-09-15 | 上海诺玛液压系统有限公司 | Jet pipe servo valve thin-wall small pipe bending tool |
| CN114310346A (en) * | 2022-03-11 | 2022-04-12 | 新乡职业技术学院 | Full-automatic pipe bending machine |
| CN117259518A (en) * | 2023-11-21 | 2023-12-22 | 成都源流立创科技有限公司 | Pipe bending device and method for precisely controlling pipe bending angle |
| CN117259518B (en) * | 2023-11-21 | 2024-02-23 | 成都源流立创科技有限公司 | Pipe bending device and method for precisely controlling pipe bending angle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105170730B (en) | 2017-07-21 |
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